With the fountain terra of Shili river Yuanshang country to Meijiayao country in Zuoyun county Shanxi province as example,this paper introduces the art features and essentials of different drilling techniques both in drilling construction and completed well in shallow ground water fountain terra.

This paper introduced the production of air-drying metallized acrylate resin coatings for ABS by using acrylate resin,pyroxylin,metal aluminium and silver powder and aids,and also presented the construction and application.

Synthesis and application of middle coating with coach was prepared by using polyurethane;